Home > Class 8 Science > Quizzes > MCQs on Chemical Effects of Electric Current
MCQs on Chemical Effects of Electric Current
Fast practice, instant feedback. Timer auto-submits when time’s up.
Avg score: 36% • Most missed: “Electroplating prevents”
MCQs on Chemical Effects of Electric Current
Time left 00:00
25 Questions

1. Some liquids are good conductors of electricity and some are poor conductors. Which one is a poor conductor?
2. An electric lamp glows due to
3. Waste from an electroplating factory must be disposed off
4. In LEDs, the longer lead (wire) is always connected to the _______ terminal
5. Tap water is a good conductor of electricity while distilled water is not because
6. Copper is
7. When electrodes are immersed in water and electricity passed, the bubbles formed on the positive terminal is actually _______ gas.
8. Why do we add little dilute sulphuric acid to copper sulphate solution during electroplating?
9. Which of the following does not conduct electricity?
10. Pure or distilled water is a
11. The process of depositing a layer of any desired metal on another material by means of electricity is called ___________.
12. Flow of electron is called
13. Chromium plating is done on many objects such as car parts, bath taps, kitchen gas stove etc. Why?
14. An electrolyte is
15. Electroplating is based on
16. Which of the following is a bad conductor of electricity?
17. Iron objects can be protected by electroplating them with
18. Electroplating prevents
19. Which of the following is a good conductor?
20. When electrodes are immersed in water and electricity passed, the bubbles formed on the negative terminal is actually _______ gas.
21. An electric current can produce
22. Which of the following is not used for electroplating metal articles?
23. Which is not a non-electrolyte?
24. Polythene is
25. A coating of _________is deposited on iron to protect it from corrosion and formation of rust

⚡ Recently practiced quizzes in this topic
Live quiz activity
Class 8 Olympiad Science Mock Test 2 Class 8 Olympiad Science Mock Test 8 Class 8 Science Practice Test: Coal and Petroleum Class 8 Science Practice Test: Synthetic Fibres and Plastics Class 8 Olympiad Science Mock Test 7 Class 8 Olympiad Science Mock Test 5 MCQs on Crop Production and Management MCQs: Sound Class 8 Olympiad Science Mock Test 6 Class 8 Science Practice Test: Friction
 
❤ If you liked Fatskills, consider supporting us by checking out The Life Manuals You Never Got.

🌈  Our mission is to help improve your scores in any subject and exam withonline quizzes, practice tests, study guides, & advice for students. Since 2018.
About | Explore | User Guide | Topics | Subjects | Doubt Solver | Career Aptitude Test | Answers | Free Tools | OSHA Basics Quiz | What Should We Know?
Privacy | Terms |
Without work one finishes nothing. - Ralph Waldo Emerson
© 2026 Fatskills.com

All trademarks, logos and brand names are the property of their respective owners. All company, product and service names used in this website are for identification purposes only. Use of these names, trademarks and brands does not imply endorsement.